Are there cross progression benefits between gta v story mode and online?

According to the sources available, GTA V’s story mode and GTA Online function as separate systems. The offline story campaign has its own progression and rewards that do not transfer to the persistent online world. Conversely, achievements and progress earned in GTA Online do not influence the single‑player storyline. Rockstar’s design documentation and player guides consistently state that each mode maintains its own progression metrics. Therefore, players cannot expect cross‑mode benefits between the two.